From: Mark R. Dingee <mark.dingee@cox.net>
To: pgsql-sql@postgresql.org
Subject: Re: Can EXCEPT Be Used for To Solve This Problem?
Date: Thu, 25 Aug 2005 11:06:40 -0400
Message-ID: <200508251106.41540.mark.dingee@cox.net> (raw)
In-Reply-To: <6A9A99AA-E7AF-4922-8B79-75A370582E63@khera.org>
References: <EKEMKEFLOMKDDLIALABIMEMGCBAA.lvaningen@esncc.com>
<6A9A99AA-E7AF-4922-8B79-75A370582E63@khera.org>
you can also do
select ... order by update_time desc offset 1 limit 1
On Thursday 25 August 2005 10:47 am, Vivek Khera wrote:
> On Aug 24, 2005, at 4:47 PM, Lane Van Ingen wrote:
> > I want to select 2nd oldest transaction from foo (transaction 3). The
> > solution below
> > works, but I think there may be a better way. Does anyone else have
> > a better
> > idea?
>
> why not just select order by update_time desc limit 2 then discard
> the first row you fetch?
>
>
> Vivek Khera, Ph.D.
> +1-301-869-4449 x806
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
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To: pgsql-sql@postgresql.org
Cc: mark.dingee@cox.net
Subject: Re: Can EXCEPT Be Used for To Solve This Problem?
In-Reply-To: <200508251106.41540.mark.dingee@cox.net>
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